Bose Companion 5 Service Manual page 28

8
7
VRAW
14V
R451
47K
D
10.3V 4V
MODE
5.1V
R453
D450
150K
135247-5231
8.1V 0V
0V 0.5V
Q450
146819
PAMUTE
PG2 C/3
GND
BAMPIN+
C
C356
R350
1uF
C358
3.9K
R351
560pF
8.25K
BASS1+ 1 8
1uF
BASS1-
2 7
BASS2+ C357
3 6
BASS2- 4 5 BAMPIN-
C256
1uF
C258
R251
R250
560pF
8.25K
3.9K
1uF
LS+ 1 8
LS- 2 7 C257
RS+ 3 6
10V
RS-
4 5 MODE
B
A
7
8
6
VRAW
14V
C351
.033uF
12 19
U350
257975 VCC1 VCC2
GND
Out1+ 13
8 In1+
9 In1-
4 Out1- 15
5 +3.3V
R452
4.7K
1 11
Diag Clip
BSCLIP
6
7 Out2+ 16
2 In2+
3 In2-
Out2- 18
4V
20
Mode
SGnd PGnd1 PGnd2
10 14 17
GND
AMPGND
C450-NV
1000pF
C451-NV
1000pF
LK1
GND
6
5 4
C156
1uF
1uF
C157
R150
3.9K
LC+ 1 8
LC-
2 7
RC+
3 6
RC- 4 5
C159
1uF
BASSAOUT+
C160
C352
R362
1uF
3.32 GND
0.01uF
BASSAOUT-
C353
R363
3.32 GND
0.01uF
LSOUT+
C354
R364
3.32 GND
0.01uF
LSOUT-
C355
R365
3.32 GND
0.01uF
C259
1uF
R252
8.25K
C260
1uF
AMPGND
5 4
3
CLASS
U150
12 19
257975
VCC1 VCC2
Out1+ 13
8 In1+
C158
R151
560pF
8.25K
9 In1-
4 Out1- 15
5
1 11
Diag Clip
6
7 Out2+ 16
2 In2+
C161
R152
3 In2-
560pF
8.25K
Out2- 18
10V 4V
20
MODE Mode
SGnd PGnd1 PGnd2
10 14 17
VRAW
14V
GND
AMPGND
U250
12 19
257975
VCC1 VCC2
Out1+ 13
8 In1+
BAMPIN+
9 In1-
BAMPIN-
4 Out1- 15
5
1 11
Clip
Diag
6
7 Out2+ 16
2 In2+
C261
3 In2-
560pF
Out2- 18
10V 4V
20
MODE
Mode
SGnd PGnd1 PGnd2
10 14 17
GND
AMPGND
3
1
DWG NO. SH
3
SD 290178
VRAW
14V
C151
.033uF
GND
C152
R162
3.32 GND
0.01uF
+3.3V
R454
C153
R163
4.7K
3.32 GND
0.01uF
CCLIP
C154
R164
3.32 GND
0.01uF
C155
R165
LSOUT+
3.32 GND
0.01uF
LSOUT-
C251
.033uF
GND
133220-04
BASSAOUT+
BASSAOUT-
C252
R262
BASSBOUT+
BASSBOUT-
3.32 GND
0.01uF
C253
R263
3.32 GND
0.01uF
BSCLIP
C254
R264
3.32 GND
0.01uF
C255
R265
3.32 GND
0.01uF
I S Z E F S C M C L A S S D W G N . O
B SD 290178
32108
SHEET 3 OF 4
SCALE N/A CAT. CODE *
2 1
D
C
8
7
6
5
4
3
2
1
J150
J350
1
2
3
B
4
A
R E V
00